蛇形星云，它的轮廓与聚集在我们星系中心的古老恒星逆向，约25,000光年远。
The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
蛇形星云，它的轮廓与聚集在我们星系中心的古老恒星逆向，约25,000光年远。
The Snake Nebula, silhouetted against ancient stars massed near the nucleus of our galaxy, which is about 25, 000 light years away.
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